Malicious PDF — malware analysis report

Static analysis result for SHA-256 9009cf49ba6ed73d…

MALICIOUS

PDF

4.1 KB First seen: 2026-05-08
MD5: 3ad56fc1eab067b668b81ae58f61b621 SHA-1: 089c33df1a75f2f89f03eebfd54c2256bf8371c9 SHA-256: 9009cf49ba6ed73d78805876b10545695d04cab0535a0972cb94e295d3761ac7
110 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file exhibits suspicious characteristics, including an embedded script payload and an XFA form. The embedded script is the primary indicator of malicious intent, suggesting it is designed to fetch and execute additional malware. Due to the nature of the embedded content and the lack of specific indicators for a known family, the family is classified as unknown.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188
    PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
  • Embedded file low PDF_EMBEDDED
    PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • Embedded script payload in PDF stream info PDF_EMBEDDED_SCRIPT_PAYLOAD
    PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://ns.adobe.com/xdp/1.0\ In PDF document text
    • http://www.xfa.org/schema/xfa-template/2.5/In PDF document text
    • http://www.xfa.org/schema/xfa-data/1.0/In PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0008.bin pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xEA 12845 bytes
SHA-256: 68296251f3a98d8fae0f8db97aa0695487a75e9cb5d83db73e995d7effd1bc2a

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